A dog enthusiast took home two puppies from the dog shelter. He fed one of the puppies super-premium canned dog food, while he fed the other a generic brand from the grocery store. The dog fed on the generic brand gained weight twice as fast as the dog fed the super-premium brand. Because of the difference in these results, the dog enthusiast concluded that the generic brand actually provided nutrition superior to that of the super-premium brand.Each of the following, if true, would weaken the evidence for the dog enthusiast’s conclusion except for which of the following?

This quiz set has 75+ questions.

It is very, very challenging to score highly on the Verbal section. Scores above 44 are rare; anywhere in the 45 to 51 range puts you in the top 1% of test-takers.